Common manufacturers | Google Yubico |
---|---|
Design firm | |
Introduced | October 15, 2019 |
Cost | US$25 - US$35 |
Color | White |
The Titan Security Key is a FIDO-compliant security token developed by Google which contains the Titan M cryptoprocessor which is also developed by Google. It was first released on October 15, 2019.[1]
Depending on the features, the key costs $25-$35,[2] but Google has provided them for free to high-risk users.[3] It is considered a more secure form of multi-factor authentication to log in to first-party and third-party services and to enroll in Google's advanced protection program. In 2021, Google removed the Bluetooth model due to concerns about its security and reliability.[2]
The Bluetooth "T1" and "T2" models initially had a security bug that allowed anyone within 30 feet to make a clone of the key.[4] The security firm NinjaLab has been able to extract the key using a side channel attack.[5] In 2019, Google has put a bug bounty up to US$1.5 million on the Titan chip.[6]
Newer versions and model numbers include:[7]
1. USB-A/NFC (K9T)
2. Bluetooth/NFC/USB (K13T)
3. USB-C/NFC (YT1)
4. USB-C/NFC supporting U2F and FIDO2 (K40T)
While none of these included publicly disclosed security vulnerabilities, Google has discontinued selling Bluetooth versions of the keys in August 2021,[8] although Bluetooth keys continue to work with their warranties honored.[9]